non destructive testing o ring durometer

{"cid":"91150510","title":"Special Shaped Support O Ring Durometer Non Destructive Testing Equipment","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/cb\/df\/eb2300eb67e8acd4e73fa2dad6f4-200x200-1.jpg","attrs":{"Brand Name":"HUATEC","Model Number":"support ring for durometer","Minimum Order Quantity":"1","Delivery Time":"1-4working days","Certification":"ISO, CE, GOST","Place of Origin":"China","Payment Terms":"T\/T, Western Union,Paypal","Supply Ability":"500Pcs","Packaging Details":"Standard export package","Product name":"Industrial NDT Testing","Power":"Electronic","Weight":"0.05kg","Name":"support ring for durometer","Warranty":"12 Months","Accuracy":"5% Of Reading+2 Digits"}}

{"cid":"91213072","title":"ASTM C805 DIN Concrete Strength Test Hammer Standard Ndt Testing Equipment","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/01\/f1\/40aa94426ffc40b8e7d55ef4b0ea-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Btutest","Model Number":"BTU-CTHS","Minimum Order Quantity":"1","Delivery Time":"5-8 work days","Certification":"SGS, INTERTEK","Place of Origin":"Made in China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"80000 sets per month","Packaging Details":"Concrete Testing Equipment Standard export wooden box","Name":"Concrete Test Hammer Standard","Standard":"EN 12504 PART 2 ASTM C805 DIN 1048 BS 1881:202 NF P18-417","Warranty":"1 Year","Pointer length (mm":"20.0\u00b10.2","Pointer friction (N)":"0.65\u00b10.15","Working length of spring (mm)":"61.5\u00b10.3"}}

{"cid":"91191056","title":"3000rpm High Speed Slip Ring With Through Hole For Industrial Application","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/23\/ab\/e1009e281a15eabe8dcc46cf853e-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"CENO","Model Number":"ECN012-12S-GS","Minimum Order Quantity":"1pcs","Delivery Time":"1 weeks","Certification":"CE,RoHS,ISO9001,UL","Place of Origin":"China","Payment Terms":"T\/T,Paypal, Western Union, L\/C","Supply Ability":"1000pcs per month","Packaging Details":"Cartons\/As request","Current & Circuits":"12 circuits * 1A","Rating Voltage":"380 VAC","Dielectric strength":"\u22651000VAC@50Hz","Isolation resistance":"\u2265500M\u2126@500VDC","Electrical Noise":"Max 30m\u2126","Operating speed":"0~3000rpm","Contact material":"Precious Metal","Housing material":"Aluminum alloy","Working temperature":"-20\u00b0C~+60\u00b0C","Working humidity":"60%","IP protection grade":"IP51","Lead wire size":"AW24# Tin coated Teflon\u00ae UL","Lead wire length":"Rotor : 300 mm Stator : 300 mm","External diameter":"\u00d812.5mm","Installation":"Fix rotor side on guest shaft with screws"}}